386SX-25

Serial: ?

• Mainboard: Commodore Business Machines, Inc. 386SX
• BIOS: Award Modular BIOS v4.20
• CPU: Intel 386
• Clock Speed: 25MHz
• RAM: 8MB
• Floppy: 3,5″ 1,44MB Chinon FZ-357
• Hard Drive: Seagate ST3144A [Type 23: 1001 | 15 | 17 = 130MB]
• Internal Connectors: 5x ISA 16bit, FDD and IDE
• Graphics: onboard [needs multisync flatscreens]
• External Connectors: Keyboard, Mouse, Parallel, COM1, COM2, VGA, Gameport, COMs @I/O card

• work performed:
  • leaky battery removed. One corroded trace restored
  • completely dismantled and cleaned, incl. FDDs
  • corrosion on steel chassis removed (acid, glass fibre pen)
  • PSU & 3,5″ FDD recapped with Rubycon brand 105° type
  • Multi I/O card added due to defective onboard controller
  • PSU re-painted in original color [back side and the side next to the battery [corrosion]]
  • HDD backup [Ghost 2]

• notes:
  • onboard FDD/HDD controller not working
  • Floppy on I/O card also not working [not with any I/O card]